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A115274 as a simple table

na(n)
11
22
33
45
57
66
79
812
99
1013
1117
1212
1317
1422
1515
1621
1727
1818
1925
2032
2121
2229
2337
2424
2533
2642
2727
2837
2947
3030
3141
3252
3333
3445
3557
3636
3749
3862
3939
4053
4167
4242
4357
4472
4545
4661
4777
4848
4965
5082
5151
5269
5387
5454
5573
5692
5757
5877
5997
6060
6181
62102
6363
6485
65107
6666
6789
68112
6969
7093
71117

[1,2,3,5,7,6,9,12,9,13,17,12,17,22,15,21,27,18,25,
 32,21,29,37,24,33,42,27,37,47,30,41,52,33,45,57,
 36,49,62,39,53,67,42,57,72,45,61,77,48,65,82,51,
 69,87,54,73,92,57,77,97,60,81,102,63,85,107,66,89,
 112,69,93,117]